Joe Miñoso

役 Joe Cruz

Christian Stolte

役 Randy "Mouch" McHolland

David Eigenberg

役 Christopher Herrmann

Taylor Kinney

役 Kelly Severide

Eamonn Walker

役 Deputy Commissioner Wallace Boden

Jesse Spencer

役 Captain Matthew Casey

Kara Killmer

役 Paramedic Sylvie Brett

Miranda Rae Mayo

役 Stella Kidd

Yuri Sardarov

役 Firefighter Brian "Otis" Zvonecek

Monica Raymund

役 Firefighter/Paramedic Gabriela Dawson